🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766

Radius: 12.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.54 AU - 0.56 AU

Year: 277 Days

Day: 5.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,748,433 km

• M1: 160,519 km (0.088 R)
• M2: 686,505 km (0.11 R)
• M3: 1,137,542 km (0.104 R)
• M4: 1,672,803 km (0.109 R)
• M5: 2,095,417 km (0.081 R)
• M6: 2,528,503 km (0.115 R)
• M7: 2,982,383 km (0.069 R)
• M8: 3,436,413 km (0.044 R)
• M9: 3,948,636 km (0.111 R)
• M10: 4,381,871 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 8.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.95 AU - 1.35 AU

Year: 836 Days

Day: 10.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,748,433 km

• M1: 100,679 km (0.092 R)
• M2: 433,235 km (0.102 R)
• M3: 1,081,593 km (0.047 R)
• M4: 2,144,934 km (0.027 R)
• M5: 3,233,259 km (0.101 R)
• M6: 3,772,559 km (0.053 R)
• M7: 4,100,627 km (0.097 R)
• M8: 4,463,103 km (0.098 R)
• M9: 6,326,793 km (0.098 R)
• M10: 7,170,076 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.7

Radius: 13

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.21 AU - 1.23 AU

Year: 914 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,748,433 km

• M1: 161,715 km (0.108 R)
• M2: 570,566 km (0.037 R)
• M3: 1,098,946 km (0.091 R)
• M4: 1,517,371 km (0.058 R)
• M5: 1,935,946 km (0.11 R)
• M6: 2,342,254 km (0.086 R)
• M7: 3,596,632 km (0.114 R)
• M8: 4,036,749 km (0.117 R)
• M9: 4,548,224 km (0.091 R)
• M10: 5,396,893 km (0.092 R)
• M11: 6,438,244 km (0.104 R)
• M12: 7,334,784 km (0.119 R)
• M13: 7,813,347 km (0.09 R)
• M14: 8,286,076 km (0.117 R)
• M15: 8,722,154 km (0.067 R)
• M16: 9,346,875 km (0.081 R)
• M17: 9,940,629 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.7

Radius: 11

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.29 AU - 3.73 AU

Year: 4460 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,748,433 km

• M1: 136,732 km (0.109 R)
• M2: 505,192 km (0.086 R)
• M3: 968,347 km (0.11 R)
• M4: 1,446,911 km (0.093 R)
• M5: 1,871,619 km (0.119 R)
• M6: 2,943,338 km (0.119 R)
• M7: 3,922,905 km (0.081 R)
• M8: 4,617,189 km (0.111 R)
• M9: 5,132,703 km (0.051 R)
• M10: 5,659,138 km (0.077 R)
• M11: 8,595,146 km (0.081 R)
• M12: 10,004,208 km (0.095 R)
• M13: 11,255,445 km (0.113 R)
• M14: 15,151,871 km (0.092 R)
• M15: 17,489,487 km (0.091 R)
• M16: 18,319,456 km (0.109 R)
• M17: 18,928,170 km (0.052 R)
• M18: 20,314,942 km (0.097 R)
• M19: 21,231,977 km (0.113 R)
• M20: 24,004,325 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.1

Radius: 14.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.62 AU - 5.74 AU

Year: 7996 Days

Day: 9.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,748,433 km

• M1: 182,809 km (0.113 R)
• M2: 704,905 km (0.047 R)
• M3: 1,247,197 km (0.08 R)
• M4: 1,746,854 km (0.05 R)
• M5: 3,403,651 km (0.113 R)
• M6: 3,926,645 km (0.05 R)
• M7: 5,270,333 km (0.071 R)
• M8: 5,974,640 km (0.082 R)
• M9: 7,817,237 km (0.114 R)
• M10: 8,583,776 km (0.03 R)
• M11: 12,258,050 km (0.115 R)
• M12: 13,497,767 km (0.094 R)
• M13: 15,540,077 km (0.099 R)
• M14: 17,051,464 km (0.103 R)
• M15: 19,631,280 km (0.067 R)
• M16: 20,163,399 km (0.105 R)
• M17: 22,897,300 km (0.097 R)
• M18: 25,711,386 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.4

Radius: 7.5

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.25 AU - 7.01 AU

Year: 11579 Days

Day: 23.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,748,433 km

• M1: 93,349 km (0.097 R)
• M2: 331,808 km (0.12 R)
• M3: 617,241 km (0.091 R)
• M4: 1,010,234 km (0.028 R)
• M5: 2,131,171 km (0.044 R)
• M6: 2,749,758 km (0.069 R)
• M7: 3,058,379 km (0.099 R)
• M8: 4,816,303 km (0.104 R)
• M9: 6,319,912 km (0.112 R)
• M10: 7,586,706 km (0.103 R)
• M11: 8,925,907 km (0.088 R)
• M12: 9,558,706 km (0.106 R)
• M13: 13,526,490 km (0.064 R)
• M14: 13,879,990 km (0.099 R)
• M15: 14,119,047 km (0.1 R)
• M16: 18,257,074 km (0.041 R)
• M17: 21,187,098 km (0.046 R)
• M18: 23,728,915 km (0.107 R)
• M19: 26,375,750 km (0.101 R)
• M20: 27,675,606 km (0.094 R)
• M21: 30,102,383 km (0.09 R)
• M22: 30,806,390 km (0.073 R)
• M23: 32,457,053 km (0.113 R)
• M24: 32,772,854 km (0.097 R)
• M25: 34,711,643 km (0.111 R)
• M26: 38,580,094 km (0.069 R)
• M27: 39,890,571 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88

Radius: 4.1

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.71 AU - 9.07 AU

Year: 16483 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,748,433 km

• M1: 194,328 km (0.048 R)
• M2: 482,752 km (0.107 R)
• M3: 924,964 km (0.08 R)
• M4: 1,284,148 km (0.04 R)
• M5: 1,623,137 km (0.106 R)
• M6: 3,080,968 km (0.111 R)
• M7: 3,309,554 km (0.092 R)
• M8: 3,731,270 km (0.113 R)
• M9: 4,547,326 km (0.079 R)
• M10: 6,258,726 km (0.086 R)
• M11: 11,314,536 km (0.102 R)
• M12: 11,609,244 km (0.095 R)
• M13: 13,761,508 km (0.111 R)
• M14: 14,611,074 km (0.102 R)
• M15: 15,919,457 km (0.089 R)
• M16: 17,433,837 km (0.058 R)
• M17: 17,892,953 km (0.06 R)
• M18: 20,599,627 km (0.096 R)
• M19: 22,164,421 km (0.088 R)
• M20: 28,218,646 km (0.106 R)
• M21: 28,669,534 km (0.12 R)
• M22: 28,851,146 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 17,584 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit